package lab02.Test25;

import java.util.Scanner;

/**
 * Created by Administrator on 2017/11/2.
 */
public class Test {
    public static void main(String[] args){
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入两个数字：");
        double a = scanner.nextDouble();
        double b = scanner.nextDouble();
        try{    System.out.println(divide(a,b));
        }
        catch(Exception e){
            System.out.println(e.getMessage());
        }
    }
    public static double divide(double x,double y) throws Exception {
        if (y == 0) {
            Exception e = new Exception("除数为零");
            throw e;
        }
        return x / y;
    }
}